Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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TMOV MPPT Control of PV System with Temperature Measurement based Optimal Voltage

온도측정 기반의 최적전압을 이용한 PV 시스템의 TMOV MPPT 제어

  • Ko, Jae-Sub (Sunchon National Univ., Department of Electric Control Engineering) ;
  • Chung, Dong-Hwa (Sunchon National Univ., Department of Electric Control Engineering)
  • 고재섭 (순천대학교 전기제어공학과) ;
  • 정동화 (순천대학교 전기제어공학과)
  • Received : 2012.03.02
  • Accepted : 2012.10.24
  • Published : 2012.11.30
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Abstract

The characteristics of I-V and P-V of solar cell nonlinearly changes according to irradiation, temperature and load. Therefore, to use efficiently PV system, operating point must be always operating at maximum power point. Also, PV system is semiconductor, so it generates loss by temperature. But because of conventional MPPT methods are not considering temperature, it has problem which decrease efficiency. This paper proposes temperature measurement based optimal voltage(TMOV) MPPT algorithm using temperature measurement based optimal voltage. It analyzes characteristics of solar cell according to irradiation and temperature and conventional MPPT methods. The TMOV control algorithm proposed in this paper is compared and analyzed conventional MPPT methods. The validity of this paper proves using this result.

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References

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